/* ================================================
   product-detail.css — Product Detail Page Styles
   ================================================ */
.product-detail-layout { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-12); align-items: flex-start; }

/* ── Image Gallery ── */
.product-gallery { position: sticky; top: 80px; }
.gallery-main { aspect-ratio: 1; border-radius: var(--radius-xl); overflow: hidden; background: var(--color-cream); margin-bottom: var(--space-3); }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; transition: opacity var(--transition-base); }
.gallery-main img.fade { opacity: 0; }
.gallery-thumbs { display: flex; gap: var(--space-2); }
.gallery-thumb { width: 72px; height: 72px; border-radius: var(--radius-md); overflow: hidden; cursor: pointer; border: 2px solid transparent; transition: border-color var(--transition-fast); flex-shrink: 0; background: var(--color-cream); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.gallery-thumb.active { border-color: var(--color-primary); }
.gallery-fallback { width: 100%; height: 100%; background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary)); display: flex; align-items: center; justify-content: center; font-size: 5rem; }

/* ── Product Info ── */
.product-info { padding-top: var(--space-4); }
.product-brand-link { font-size: var(--text-sm); color: var(--color-primary); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; cursor: pointer; }
.product-name { font-family: var(--font-display); font-size: var(--text-3xl); margin: var(--space-2) 0; line-height: 1.2; }
.product-rating-row { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-4); }
.rating-score { font-weight: 700; font-size: var(--text-lg); }
.rating-count { font-size: var(--text-sm); color: var(--color-text-muted); cursor: pointer; }
.rating-count:hover { text-decoration: underline; }
.product-price-row { display: flex; align-items: flex-end; gap: var(--space-3); margin-bottom: var(--space-4); }
.product-price-current { font-size: var(--text-3xl); font-weight: 700; color: var(--color-text-primary); }
.product-price-mrp { font-size: var(--text-lg); color: var(--color-text-muted); text-decoration: line-through; }
.product-price-off { background: #fef2f2; color: var(--color-error); padding: var(--space-1) var(--space-2); border-radius: var(--radius-sm); font-size: var(--text-sm); font-weight: 600; }
.tax-note { font-size: var(--text-xs); color: var(--color-text-muted); }
.product-divider { border: none; border-top: 1px solid var(--color-border); margin: var(--space-4) 0; }

/* Variants */
.variant-label { font-size: var(--text-sm); font-weight: 600; margin-bottom: var(--space-2); }
.variant-options { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.variant-btn { padding: var(--space-2) var(--space-4); border: 1.5px solid var(--color-border); border-radius: var(--radius-md); font-size: var(--text-sm); cursor: pointer; transition: all var(--transition-fast); background: var(--color-white); }
.variant-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.variant-btn.active { border-color: var(--color-primary); background: var(--color-primary); color: white; }

/* Add to cart row */
.atc-row { display: flex; align-items: center; gap: var(--space-3); margin: var(--space-6) 0; }
.atc-row .btn-primary { flex: 1; padding: var(--space-4); font-size: var(--text-base); }
.wishlist-toggle-btn { width: 48px; height: 48px; border-radius: var(--radius-md); border: 1.5px solid var(--color-border); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; cursor: pointer; transition: all var(--transition-fast); background: white; }
.wishlist-toggle-btn.active { border-color: #e53935; color: #e53935; background: #fff0f0; }
.buy-now-btn { width: 100%; padding: var(--space-4); background: var(--color-secondary); color: white; border-radius: var(--radius-md); font-weight: 600; font-size: var(--text-base); cursor: pointer; transition: background var(--transition-fast); border: none; }
.buy-now-btn:hover { background: var(--color-earth); }

/* Delivery section */
.delivery-section { background: var(--color-bg); border-radius: var(--radius-lg); padding: var(--space-4); margin: var(--space-4) 0; }
.pincode-row { display: flex; gap: var(--space-2); margin-top: var(--space-2); }
.pincode-input { flex: 1; }
.delivery-info { display: flex; flex-direction: column; gap: var(--space-2); margin-top: var(--space-3); }
.delivery-info-item { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-sm); color: var(--color-text-secondary); }

/* Highlights */
.product-highlights { display: flex; flex-direction: column; gap: var(--space-2); margin: var(--space-4) 0; }
.highlight-item { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-sm); color: var(--color-text-secondary); }
.highlight-item::before { content: '✓'; color: var(--color-primary); font-weight: 700; flex-shrink: 0; }

/* ── Tabs ── */
.product-tabs { margin-top: var(--space-12); }
.tab-content-inner { padding: var(--space-6) 0; }
.ingredients-list { font-size: var(--text-sm); color: var(--color-text-secondary); line-height: 2; }
.how-to-steps { display: flex; flex-direction: column; gap: var(--space-4); }
.how-to-step { display: flex; gap: var(--space-4); }
.step-num { width: 28px; height: 28px; background: var(--color-primary); color: white; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: var(--text-xs); font-weight: 700; flex-shrink: 0; }

/* Reviews */
.reviews-summary { display: flex; align-items: center; gap: var(--space-8); margin-bottom: var(--space-6); }
.reviews-score { text-align: center; }
.reviews-score .big-score { font-size: 3rem; font-weight: 700; line-height: 1; }
.rating-bars { flex: 1; display: flex; flex-direction: column; gap: var(--space-2); }
.rating-bar-row { display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-xs); }
.rating-bar-label { width: 24px; text-align: right; color: var(--color-text-muted); }
.rating-bar-track { flex: 1; height: 6px; background: var(--color-border); border-radius: 3px; overflow: hidden; }
.rating-bar-fill { height: 100%; background: #f59e0b; border-radius: 3px; }
.rating-bar-count { width: 30px; color: var(--color-text-muted); }
.review-card { border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-4); margin-bottom: var(--space-4); }
.review-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-2); }
.review-name { font-weight: 600; font-size: var(--text-sm); }
.review-date { font-size: var(--text-xs); color: var(--color-text-muted); }
.review-verified { display: inline-flex; align-items: center; gap: 4px; font-size: var(--text-xs); color: var(--color-primary); background: #f0f7f2; padding: 2px 8px; border-radius: var(--radius-full); }
.review-body { font-size: var(--text-sm); color: var(--color-text-secondary); margin-top: var(--space-2); }

/* ── Sticky ATC mobile ── */
.sticky-atc { display: none; position: fixed; bottom: 60px; left: 0; right: 0; background: var(--color-white); border-top: 1px solid var(--color-border); padding: var(--space-3) var(--space-4); z-index: 400; box-shadow: var(--shadow-lg); }
.sticky-atc-inner { display: flex; align-items: center; gap: var(--space-3); max-width: var(--container-max); margin: 0 auto; }
.sticky-atc-info { flex: 1; min-width: 0; }
.sticky-atc-name { font-size: var(--text-sm); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sticky-atc-price { font-weight: 700; color: var(--color-primary); font-size: var(--text-base); }